1#ifndef __GETOPT_H__
 2/**
 3 * DISCLAIMER
 4 * This file has no copyright assigned and is placed in the Public Domain.
 5 * This file is part of the mingw-w64 runtime package.
 6 *
 7 * The mingw-w64 runtime package and its code is distributed in the hope that it 
 8 * will be useful but WITHOUT ANY WARRANTY.  ALL WARRANTIES, EXPRESSED OR 
 9 * IMPLIED ARE HEREBY DISCLAIMED.  This includes but is not limited to 
10 * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 */
12
13#define __GETOPT_H__
14
15/* All the headers include this file. */
16#include <crtdefs.h>
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22extern int optind;		/* index of first non-option in argv      */
23extern int optopt;		/* single option character, as parsed     */
24extern int opterr;		/* flag to enable built-in diagnostics... */
25				/* (user may set to zero, to suppress)    */
26
27extern char *optarg;		/* pointer to argument of current option  */
28
29extern int getopt(int nargc, char * const *nargv, const char *options);
30
31#ifdef __cplusplus
32}
33#endif
34/*
35 * POSIX requires the `getopt' API to be specified in `unistd.h';
36 * thus, `unistd.h' includes this header.  However, we do not want
37 * to expose the `getopt_long' or `getopt_long_only' APIs, when
38 * included in this manner.  Thus, close the standard __GETOPT_H__
39 * declarations block, and open an additional __GETOPT_LONG_H__
40 * specific block, only when *not* __UNISTD_H_SOURCED__, in which
41 * to declare the extended API.
42 */
43#endif /* !defined(__GETOPT_H__) */
44
45#if !defined(__GETOPT_BSD_H__) && defined(_BSD_SOURCE)
46#define __GETOPT_BSD_H__
47/*
48 * BSD adds the non-standard `optreset' feature, for reinitialisation
49 * of `getopt' parsing.  We support this feature, for applications which
50 * proclaim their BSD heritage, before including this header; however,
51 * to maintain portability, developers are advised to avoid it.
52 */
53# define optreset  __mingw_optreset
54extern int optreset;
55#endif /* !defined(__GETOPT_BSD_H__) && defined(_BSD_SOURCE) */
56
57#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
58#define __GETOPT_LONG_H__
59
60#ifdef __cplusplus
61extern "C" {
62#endif
63
64struct option		/* specification for a long form option...	*/
65{
66  const char *name;		/* option name, without leading hyphens */
67  int         has_arg;		/* does it take an argument?		*/
68  int        *flag;		/* where to save its status, or NULL	*/
69  int         val;		/* its associated status value		*/
70};
71
72enum    		/* permitted values for its `has_arg' field...	*/
73{
74  no_argument = 0,      	/* option never takes an argument	*/
75  required_argument,		/* option always requires an argument	*/
76  optional_argument		/* option may take an argument		*/
77};
78
79extern int getopt_long(int nargc, char * const *nargv, const char *options,
80    const struct option *long_options, int *idx);
81extern int getopt_long_only(int nargc, char * const *nargv, const char *options,
82    const struct option *long_options, int *idx);
83/*
84 * Previous MinGW implementation had...
85 */
86#ifndef HAVE_DECL_GETOPT
87/*
88 * ...for the long form API only; keep this for compatibility.
89 */
90# define HAVE_DECL_GETOPT	1
91#endif
92
93#ifdef __cplusplus
94}
95#endif
96
97#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */